"The French payload would not marry up with the American rocket. Welding could cause fire because sodium was volatile. So Sarabhai asked Bhavsar: "How can we fit the payload?'' Mr. Kalam and another colleague scraped the payload with a small hand tool until it mated with the rocket. The launch was a success. The orange trail from the sodium vapour that lit up the twilight sky caused excitement in Kerala. The State Assembly, which was in session then, adjourned for a few minutes for its members to enjoy the spectacle."